How to See the Northern Lights in Tromso

Five Northern Lights tours from Tromso — aurora chases, husky visits, Sami culture, and the Norwegian scientist who first explained what causes them.

Five Northern Lights tours from Tromso — aurora chases, husky visits, Sami culture, and the Norwegian scientist who first explained what causes them.

Five Flam Railway and fjord tours from Bergen — hand-carved tunnels, the world's narrowest fjord, Viking villages, and 850-year-old stave churches.

Five ways to walk Dubrovnik's city walls — sunrise walks, sunset tours, and the military engineering that kept the Republic of Ragusa free for 450 years.

Five Dubrovnik sea kayaking tours — sunrise paddles, sunset wine tastings, and the wall-level perspective that no walking tour can match.

Five Dubrovnik old town walking tours — from budget history walks to food crawls, plus the Republic of Ragusa and why this city abolished slavery in 1416.

Five Mostar day trips from Dubrovnik — the Ottoman bridge destroyed in 1993 and rebuilt stone by stone, plus Kravice Waterfalls and medieval Pocitelj.

Five Blue Cave speedboat tours from Split — the science behind that electric blue glow, the Battle of Lissa, and a five-island Adriatic odyssey.

Four Game of Thrones walking tours in Dubrovnik — filming locations, the real history of King's Landing, and why Ragusa out-intrigues Westeros.

Four Plitvice Lakes tours compared — the science behind those impossible turquoise colours, plus Winnetou, travertine biology, and the best seasonal timing.

Five Hvar Island tours from Split compared — from five-island speedboat adventures to catamaran cruises, plus the island's Greek and Venetian history.

Five Elaphiti Islands cruises from Dubrovnik compared — from all-inclusive fish-lunch boats to luxury Blue Cave combos, plus the maritime history of Ragusa.

Five Krka Waterfalls day tours from Split compared — from budget boat cruises to food and wine tastings at family estates in the Dalmatian hills.

Three ways to experience the Guinness Storehouse in Dublin — from the standard self-guided tour to full-day combos with Jameson, Dublin Castle, and the Book of Kells.

Four Dublin walking tours compared — from a two-hour highlights circuit with hidden gems to a three-hour food crawl through the city's best-kept culinary secrets.

Four Wicklow and Glendalough day tours from Dublin compared — from half-day mountain escapes to full-day adventures with Kilkenny, sheepdog trials, and wild Wicklow roads.

Five Giant's Causeway day tours from Dublin compared — including Belfast black cabs, Dark Hedges, Dunluce Castle, Titanic Belfast, and a scenic rail option.

The definitive guide to Cliffs of Moher tours from Dublin — five tried-and-tested day trips covering the Wild Atlantic Way, Burren, Galway, and Bunratty Castle.

A respectful guide to visiting Terezin from Prague, with the best tours, practical tips, and what to expect at this powerful memorial.

Prague does classical music for less than Vienna. Mirror Chapel, Rudolfinum, candlelit churches -- here is how to book the right concert.

The best Prague walking tours from $22, covering Old Town, Charles Bridge, and the Castle District with expert local guides.

Ticket types, synagogue rankings, cemetery etiquette, and the best guided tours through Josefov.

Prague serves the cheapest good beer in Europe. Here is how to book the best pub crawls and beer tours, from party nights to guided tastings.

Medieval dungeons and Romanesque cellars hide beneath Prague Old Town. Three guided underground tours from $31 take you below the streets.

Underground stone cellars, unlimited Czech beer, sword fights three feet from your plate, and a five-course feast. Here is how to book it.